I've got all the stuff for the '73 swap, but I'm not sure which MC to get. I'm wanting to run manual, but I don't see any options in terms of '73 manual MCs. Is my only option to use a power MC with a manual pushrod?

1968 Plymouth Fury III
2dr FT, 383-4v, 4 speed

1972 AMC Ambassador SST wagon
360-4v, automatic

2014 Challenger R/T Classic 6-speed